body {
    display: flex;
    min-height: 100vh;
    margin: 0;
}
#box {
    margin: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 50em;
    height: 8em;
}
.items{
    display: flex;
    flex-direction: row;
}
.item{
    color: #a09a9a;
    margin: 2em;
    font-size: 1.2em;
    font-family: Helvetica;
    cursor: pointer;
}
.item:hover{
    color: #000;
}
.title{
    font-size: 1.5em;
    color: #53c355;
    margin-top: -6em;
}
.sub_title{
    margin: 5em;
    color: #838383;
}